A system, method and article of manufacture are provided for presenting a recipe based on bar code information. A substrate for an optical disc is formed by utilizing a molding process. This data is transmitted by the transmitter through TMDS channels #0 to #2. The method comprises determining a resource demand profile for a household device for a given time period, the resource demand profile associating, for the given time period, a device state of the household device with a total resource demand for the household. The filtering circuit operates to filter the detector’s output and adaptively adjust the trigger threshold of the comparator, thereby enabling the photo-detector to be sensitive enough to detect dark mail pieces, i. The fuel cell separator plate includes at least one groove formed in a face of the separator plate so as to feed reactant gas to a membrane electrode assembly applied against the face of the separator plate, the groove comprising an inlet section and an outlet section.